The WP Fastest Cache plugin through 0.8.9.5 for WordPress allows wpFastestCache.php and inc/cache.php Directory Traversal.
Conclusion & alert: CVE-2019-13635 is rated High Risk (69.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 44.36%, 99th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-07-13 | 45.36% | 44.36% | -1.00% |
| 2 | 2026-06-15 | 3.15% | 45.36% | +42.21% |
| 3 | 2026-06-07 | — | 3.15% | — |
Full EPSS history (22 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.1 | 3.0 | CRITICAL |
|
3.9 | 5.2 | [email protected] |
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| wpfastestcache | wp_fastest_cache | <= 0.8.9.5 | cpe:2.3:a:wpfastestcache:wp_fastest_cache:*:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/153821/WordPress-WP-Fastest-Cache-0.8.9.5-Directory-Traversal.html | Third Party Advisory VDB Entry |
| https://plugins.trac.wordpress.org/changeset/2124614 | Patch Third Party Advisory |
| https://plugins.trac.wordpress.org/changeset/2124619 | Patch Third Party Advisory |
| https://seclists.org/bugtraq/2019/Jul/53 | Mailing List Third Party Advisory |
| https://wordpress.org/plugins/wp-fastest-cache/#developers | Release Notes Third Party Advisory |
| https://wpvulndb.com/vulnerabilities/9507 |